HP XP7 Storage - Manual (Page 24)

Data is copied in each Compatible FlashCopy relationship, but not in the Cnt Ac-S Z pairs.If the
Withdraw command is issued to release the Compatible FlashCopy relationship, P-VOL and S-VOL
in Cnt Ac-S Z#2 becomes inconsistent.
Figure 18 The flow of Preserve Mirror Compatible FlashCopy function (COPY mode) after the copy
processsing finished
Each Compatible FlashCopy relationship is released after the copying process is completed.
The following table shows the Preserve Mirror Compatible FlashCopy functions that can be used
with other Compatible FlashCopy functions.
Other Compatible FlashCopy functions possible? Preserve Mirror Compatible FlashCopy Function
Yes Volume copy
Yes Dataset copy
Yes COPY mode
Yes NOCOPY mode
Yes Incremental FlashCopy
Yes Using Consistency Groups for Dataset Copies
Yes Reverse Restore
Yes FlashCopy to PPRC Primary
No Fast Reverse Restore
No Compatible FlashCopy SE
Options required for the Preserve Mirror Compatible FlashCopy function (Compatible
FlashCopy only)
The following options are required when establishing a Compatible FlashCopy relationship using
the Preserve Mirror Compatible FlashCopy function:
•
DFSMSdss: FCTOPPRCPRIMARY(PRESMIRREQ or PRESMIRRPREF)
•
TSO: PRESERVEMIRROR(REQUIRED or PREFERRED)
•
ICKDSF: PRESERVEMIRROR(REQUIRED or PREFERRED)
•
ANTRQST Macro: PRESMIR(REQ or PREF)
24 About Compatible FlashCopy